diff --git a/pkgs/applications/editors/emacs-modes/proofgeneral/4.2.nix b/pkgs/applications/editors/emacs-modes/proofgeneral/4.2.nix
deleted file mode 100644
index c026d058b4e..00000000000
--- a/pkgs/applications/editors/emacs-modes/proofgeneral/4.2.nix
+++ /dev/null
@@ -1,54 +0,0 @@
-{ stdenv, fetchurl, emacs, texinfo, texLive, perl, which, automake }:
-
-stdenv.mkDerivation (rec {
-  name = "ProofGeneral-4.2";
-
-  src = fetchurl {
-    url = http://proofgeneral.inf.ed.ac.uk/releases/ProofGeneral-4.2.tgz;
-    sha256 = "09qb0myq66fw17v4ziz401ilsb5xlxz1nl2wsp69d0vrfy0bcrrm";
-  };
-
-  sourceRoot = name;
-
-  buildInputs = [ emacs texinfo texLive perl which ];
-
-  prePatch =
-    '' sed -i "Makefile" \
-           -e "s|^\(\(DEST_\)\?PREFIX\)=.*$|\1=$out|g ; \
-               s|/sbin/install-info|install-info|g"
-
-
-       # Workaround for bug #458
-       # ProofGeneral 4.2 byte-compilation fails with Emacs 24.2.90
-       # http://proofgeneral.inf.ed.ac.uk/trac/ticket/458
-       sed -i "Makefile" \
-       	   -e "s|(setq byte-compile-error-on-warn t)||g"
-
-       sed -i "bin/proofgeneral" -e's/which/type -p/g'
-
-       # @image{ProofGeneral} fails, so remove it.
-       sed -i '94d' doc/PG-adapting.texi
-       sed -i '101d' doc/ProofGeneral.texi
-    '';
-
-  preBuild = ''
-    make clean;
-  '';
-
-  installPhase =
-    # Copy `texinfo.tex' in the right place so that `texi2pdf' works.
-    '' cp -v "${automake}/share/"automake-*/texinfo.tex doc
-       make install install-doc
-    '';
-
-  meta = {
-    description = "Proof General, an Emacs front-end for proof assistants";
-    longDescription = ''
-      Proof General is a generic front-end for proof assistants (also known as
-      interactive theorem provers), based on the customizable text editor Emacs.
-    '';
-    homepage = http://proofgeneral.inf.ed.ac.uk;
-    license = stdenv.lib.licenses.gpl2Plus;
-    platforms = stdenv.lib.platforms.unix;  # arbitrary choice
-  };
-})
diff --git a/pkgs/applications/editors/emacs-modes/proofgeneral/4.4.nix b/pkgs/applications/editors/emacs-modes/proofgeneral/4.4.nix
new file mode 100644
index 00000000000..0f7ac1d1dc8
--- /dev/null
+++ b/pkgs/applications/editors/emacs-modes/proofgeneral/4.4.nix
@@ -0,0 +1,47 @@
+{ stdenv, fetchFromGitHub, emacs, texinfo, texLive, which, automake, enableDoc ? false }:
+
+stdenv.mkDerivation rec {
+  name = "ProofGeneral-${version}";
+  version = "4.4";
+
+  src = fetchFromGitHub {
+    owner = "ProofGeneral";
+    repo = "PG";
+    rev = "v${version}";
+    sha256 = "0bdfk91wf71z80mdfnl8hpinripndcjgdkz854zil6521r84nqk8";
+  };
+
+  buildInputs = [ emacs which ] ++ stdenv.lib.optionals enableDoc [ texinfo texLive ];
+
+  prePatch =
+    '' sed -i "Makefile" \
+           -e "s|^\(\(DEST_\)\?PREFIX\)=.*$|\1=$out|g ; \
+               s|/sbin/install-info|install-info|g"
+
+       sed -i "bin/proofgeneral" -e's/which/type -p/g'
+
+       chmod +x bin/proofgeneral
+
+       # @image{ProofGeneral-image} fails, so remove it.
+       sed -i '91d' doc/PG-adapting.texi
+       sed -i '96d' doc/ProofGeneral.texi
+    '' + stdenv.lib.optionalString enableDoc
+    # Copy `texinfo.tex' in the right place so that `texi2pdf' works.
+    '' cp -v "${automake}/share/"automake-*/texinfo.tex doc
+    '';
+
+  patches = [ ./pg.patch ];
+
+  installTargets = [ "install" ] ++ stdenv.lib.optional enableDoc "install-doc";
+
+  meta = {
+    description = "Proof General, an Emacs front-end for proof assistants";
+    longDescription = ''
+      Proof General is a generic front-end for proof assistants (also known as
+      interactive theorem provers), based on the customizable text editor Emacs.
+    '';
+    homepage = http://proofgeneral.inf.ed.ac.uk;
+    license = stdenv.lib.licenses.gpl2Plus;
+    platforms = stdenv.lib.platforms.unix;  # arbitrary choice
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 85e1336deb4..debdfb63196 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12498,8 +12498,7 @@ in
 
     prologMode = callPackage ../applications/editors/emacs-modes/prolog { };
 
-    proofgeneral_4_2 = callPackage ../applications/editors/emacs-modes/proofgeneral/4.2.nix {
-      texinfo = texinfo4 ;
+    proofgeneral = callPackage ../applications/editors/emacs-modes/proofgeneral/4.4.nix {
       texLive = texlive.combine { inherit (texlive) scheme-basic cm-super ec; };
     };
     proofgeneral_4_3_pre = callPackage ../applications/editors/emacs-modes/proofgeneral/4.3pre.nix {
@@ -12510,7 +12509,6 @@ in
       texinfo = texinfo4 ;
       texLive = texlive.combine { inherit (texlive) scheme-basic cm-super ec; };
     };
-    proofgeneral = self.proofgeneral_4_2;
 
     quack = callPackage ../applications/editors/emacs-modes/quack { };